davinci: update pin-multiplexing support

Update MUX support to be more general and useful across multiple
SoCs in the DaVinci family.

Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>

arch/arm/mach-davinci/mux.h

@@ -0,0 +1,51 @@
+/*
+ * Pin-multiplex helper macros for TI DaVinci family devices
+ *
+ * Author: Vladimir Barinov, MontaVista Software, Inc. <source@mvista.com>
+ *
+ * 2007 (c) MontaVista Software, Inc. This file is licensed under
+ * the terms of the GNU General Public License version 2. This program
+ * is licensed "as is" without any warranty of any kind, whether express
+ * or implied.
+ *
+ * Copyright (C) 2008 Texas Instruments.
+ */
+#ifndef _MACH_DAVINCI_MUX_H_
+#define _MACH_DAVINCI_MUX_H_
+
+#include <mach/mux.h>
+
+#define MUX_CFG(soc, desc, muxreg, mode_offset, mode_mask, mux_mode, dbg)\
+[soc##_##desc] = {							\
+			.name =  #desc,					\
+			.debug = dbg,					\
+			.mux_reg_name = "PINMUX"#muxreg,		\
+			.mux_reg = PINMUX##muxreg,			\
+			.mask_offset = mode_offset,			\
+			.mask = mode_mask,				\
+			.mode = mux_mode,				\
+		},
+
+#define INT_CFG(soc, desc, mode_offset, mode_mask, mux_mode, dbg)	\
+[soc##_##desc] = {							\
+			.name =  #desc,					\
+			.debug = dbg,					\
+			.mux_reg_name = "INTMUX",			\
+			.mux_reg = INTMUX,				\
+			.mask_offset = mode_offset,			\
+			.mask = mode_mask,				\
+			.mode = mux_mode,				\
+		},
+
+#define EVT_CFG(soc, desc, mode_offset, mode_mask, mux_mode, dbg)	\
+[soc##_##desc] = {							\
+			.name =  #desc,					\
+			.debug = dbg,					\
+			.mux_reg_name = "EVTMUX",			\
+			.mux_reg = EVTMUX,				\
+			.mask_offset = mode_offset,			\
+			.mask = mode_mask,				\
+			.mode = mux_mode,				\
+		},
+
+#endif /* _MACH_DAVINCI_MUX_H */